Home / 55,444.26-83,163.69-20,381.70

Finding the Fourth Proportional to 55,444.26, 83,163.69 and 20,381.70

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Solution

The fourth proportional to 55,444.26, 83,163.69 and 20,381.70 is: 30,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,444.26 : 83,163.69 = 20,381.70 : x
  2. Step 2: Convert to fraction form
    55,444.26/83,163.69 = 20,381.70/x
  3. Step 3: Cross multiply
    55,444.26x = 83,163.69 × 20,381.70
  4. Step 4: Simplify right side
    55,444.26x = 1,695,017,380.47
  5. Step 5: Solve for x
    x = 1,695,017,380.47/55,444.26
  6. Step 6: Final answer
    x = 30,571.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.